Place
- Pennsylvania--Pittsburgh3
- Pennsylvania--Westmoreland County3
- United States--Hudson River3
- Azores2
- Baltimore, Maryland2
- Canada2
- Estonia--Kilingi-Nõmme2
- Illinois--East Saint Louis2
- Latvia--Limbaži2
- Maryland2
- New Hampshire2
- New Jersey--Atlantic County2
- New Jersey--Bayonne2
- New Jersey--Edgewater2
- New Jersey--Hudson County2
- New Jersey--Passaic River2
- Panama2
- Pennsylvania--Bedford County2
- Pennsylvania--Luzerne County2
- Pennsylvania--Mercer County2